Home / 230,158.72-317,576.64-129,535.36

Finding the Fourth Proportional to 230,158.72, 317,576.64 and 129,535.36

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Solution

The fourth proportional to 230,158.72, 317,576.64 and 129,535.36 is: 178,734.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,158.72 : 317,576.64 = 129,535.36 : x
  2. Step 2: Convert to fraction form
    230,158.72/317,576.64 = 129,535.36/x
  3. Step 3: Cross multiply
    230,158.72x = 317,576.64 × 129,535.36
  4. Step 4: Simplify right side
    230,158.72x = 41,137,404,389.99
  5. Step 5: Solve for x
    x = 41,137,404,389.99/230,158.72
  6. Step 6: Final answer
    x = 178,734.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.